February 2009

Plotting PDQ Output with R

February 27, 2009 | Neil Gunther

One the nice things about PDQ-R (coming in release 5.0) is the ability to plot PDQ output directly in R. Here's a PDQ-R script, together with the corresponding graphical output, that I knocked up to show the effect on the throughput curve of adding mor...
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R in The Windy City

February 27, 2009 | JD Long

In honor of me moving to Chicago, the powers who abide have decided to hold the first annual “R/Finance conference for applied finance using R” conference in Chicago this year. The dates are April 24-25, 2009. R/Finance 2009: Applied Finance with R To those who made the decision on location, ... [Read more...]

Data Analysis Workflow… Part 1 of Infinity

February 26, 2009 | JD Long

One of the many things that I sit around pondering when I should be doing productive things is the idea of analytical workflow. I have only worked with one analytical guru who I felt really gave thought and structure to workflow and its impact on analyist productivity. When I talk ... [Read more...]

Absolutely great resource

February 25, 2009 | :)-k

A very nice resource which helped me a lot in kickstarting my Sweave efforts is Learning to Sweave in APA Style by clementi on scribd. This is a down to earth tutorial containing a lot of good tips! See for yourself:Learning to Sweave in APA Style ... [Read more...]

Sorry, you said you want a stats revolution?

February 23, 2009 | dan

ALL ABOUT REVOLUTION COMPUTING’S R DISTRIBUTION Decision Science News was intrigued by a company called REvolution Computing that got some attention of late for spinning their own mix of the R language for statistical computing and giving it away for free. So DSN asked to interview them to see ... [Read more...]

PDQ-R Lives!

February 22, 2009 | Neil Gunther

After some fiddling to get things linked correctly to the R binaries on my new Macbook, the first PDQ-R test model has run successfully! Here 'tiz ...This is an important step for PDQ development and is due entirely to the efforts of Phil Feller. Natur...
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R graphics: margins are way to large

February 22, 2009 | Gregor Gorjanc

For me R has a very nice and powerfull capabilities for graphics (for example see this gallery). However, I dislike the default setting for margins and placement of axis numbers and labels. Since I always forget the setting of parameters I prefer I am adding this post. For example: library(... [Read more...]

People who love scatter plots & connecting dots

February 20, 2009 | mike

We hosted the first Dataviz Salon SF on Tuesday night, with lightning talks by boredom cop Shane Booth, dataviz wiz Lee Byron , computational journalist Brad Stenger, data wrangler Pete Skomoroch , and any/all data enthusiast Brendan O’Connor . I was going to blog all about it — but Tom Carden of ... [Read more...]

R: Good practice – adding footnotes to graphics

February 17, 2009 | markheckmann

In some statistical programs there is the option available to attach a footnote to the graphical output that is created. This footnote may contain the name of the script or the file that produced the graphic, the author’s name and the date of creation. In SAS for example there ... [Read more...]

TTR_0.2 on CRAN

February 15, 2009 | Joshua Ulrich

I am happy to announce a long-overdue update to the TTR package (version 0.2) is now on CRAN.This update represents a major milestone, as TTR useRs are no longer restricted to using matrix objects. TTR 0.2 uses xts internally, so all major time series...
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Single Letter Frequencies in English

February 15, 2009 | John Myles White

Every time that I read a paper that discusses the frequencies of single letters in English, I feel like I should sit down and calculate them for myself from a sample of English text. Today, I finally did. Here are the probabilities and negative log pro... [Read more...]

R in SAS

February 15, 2009 | Gregor Gorjanc

Another "proof" that R definitely is one of mainstream statistical packages is the news that SAS will provide an interface to R via SAS/IML Studio (today known as SAS Stat Studio).
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New project: RInside

February 12, 2009 | Thinking inside the box

A few days ago, I started a new project called RInside by uploading a few files to a new SVN repo at R-Forge. RInside makes it easy to embed R into your own C++ application by hiding the nitty gritty of initializing an R interpreter behind a simple abstraction. More ... [Read more...]
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